package com.dokimall.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @ClassName: DokiFeignConfig
 * @Description:
 * @Author
 * @Date 2021/11/2
 * @Version 1.0
 */
@Configuration
public class DokiFeignConfig {
    @Bean
    public RequestInterceptor requestInterceptor(){
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate requestTemplate) {
                // 1、RequestContextHolder拿到刚进来的这个请求
                ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
                if(attributes!=null){
                    HttpServletRequest request = attributes.getRequest(); // 老请求
                    // 同步请求头数据
                    String cookie = request.getHeader("Cookie");
                    // 给新请求同步老请求cookie
                    requestTemplate.header("Cookie",cookie);
                }
            }
        };
    }
}
